iPadOS 9.3 (build 13E5181f) is an official Apple over-the-air update for the iPad 3 (WiFi), released on 2016-01-14T18:01:09Z. The update package is 19.53 MB. This is a delta (partial) update that requires 9.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4e68630742461c6dc787e100ea751da767793ec2.zip.